APA (7e ed.) Bronvermelding

STRAHLER, A. N., & STRAHLER, A. H. (1978). Modern physical geography. John Wiley and Sons.

Chicago (17e ed.) Bronvermelding

STRAHLER, Arthur N., en Alan H. STRAHLER. Modern Physical Geography. New York: John Wiley and Sons, 1978.

MLA (9e ed.) Bronvermelding

STRAHLER, Arthur N., en Alan H. STRAHLER. Modern Physical Geography. John Wiley and Sons, 1978.